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Our Top-Efficiency Heat-Recovery Ventilator
We expect our state-of-the-art HRV from Zehnder to provide fresh air to our home, with very low energy consumption, for years to come
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Providing Fresh Air in Our Home
A quick overview of ventilation systems
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Report on Our Ductless Minisplit Heat Pump
Testing the limits of the air-source heat pump in our new house with this cold weather
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On the Benefits of Online Learning
With a new group of online courses starting this week, I’m reminded of the benefits of learning — and teaching — from home
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Safe Storage of Nuclear Waste
We should take a fresh look at the idea of burying high-level nuclear waste deep under the seabed
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Heating System Safety In Cold Weather
Most house fires occur during cold weather, when wood stoves are cranked up and portable electric space heaters are brought out of the basement and plugged in
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More Wishes for 2014
Social and political trends that have the potential to improve our world
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What I’m Wishing for in 2014
Some products and product developments I’d like to see in the New Year
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Industrial Solar?
Are we going to find the same NIMBY opposition to larger solar systems that we’re experiencing today with wind farms?
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Power Storage in Flywheels
Utility-scale flywheel power storage is becoming a reality at a new facility in Pennsylvania